Jabsco 12V Macerator Pump - Toilet Waste Macerator Pumps are useful for turning waste into a uniform slurry, which is easier and faster to pump out of the holding tank. This 12V Macerator pump has a fully sealed motor and a heavy duty four-bladed chopper. It features run dry protection and is self-priming with a flexible impeller and stainless steel wearplate. It will self prime to 5' when wet, and grinds waste to 1/8 or smaller. • Pumps upto 12gpm • The inlet part has both a 1.5 hose barb and 1.5" male thread to screw directly onto a tank flange• Outlet port: 1" hose barb• Size: H 82mm x W 119mm x L 298mm• Weight: 2.3kg• 12V • 16A.""